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Asus ROG Phone 3 Strix (128GB/12GB) vs Xiaomi Redmi Note 9 Pro (128GB)

Side by side comparison between Asus ROG Phone 3 Strix vs Xiaomi Redmi Note 9 Pro phones, differences, pros, cons with full specifications. What's the better?

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Compare Xiaomi Redmi Note 9 Pro XAsus ROG Phone 3 Strix (128GB/12GB)18Points
Asus ROG Phone 3 Strix (128GB/12GB)
6.59"
AMOLED

1080x2340

64
MP

24mp

12GB
RAM

64bit Octa

6000
mAh

(Non removable)

vs
08PointsXiaomi Redmi Note 9 Pro (128GB)Compare Asus ROG Phone 3 Strix X
Xiaomi Redmi Note 9 Pro (128GB)
6.67"
IPS

1080x2400

64
MP

16mp

6GB
RAM

64bit Octa

5020
mAh

(Non removable)

What's the better phone? Asus ROG Phone 3 Strix (128GB/12GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

ROG Phone 3 Strix (128GB/12GB)18 Advantages Asus ROG Phone 3 Strix (128GB/12GB)vsRedmi Note 9 Pro (128GB)8 Advantages Xiaomi Redmi Note 9 Pro (128GB)
+2.84Ghz 64bit Octa-Core21%
More powerful processor, you can open your applications faster
vs2.3Ghz 64bit Octa-Core
+12GB LPDDR5100%
More RAM memory. Typically more responsive and better for multitasking.
vs6GB LPDDR4X
+UFS 3.1Advantage
Fastest write and read storage.
vsUFS 2.1
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front/back
+AMOLEDAdvantage
AMOLED display is brighter and more vivid
vsTFT IPS LCD
+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
vsNot supported
+144Hz140%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
vs60Hz
+1 billion62 times
More colors on the screen is better quality images and videos
vs16 million
+(triple camera) 64MP + 13MP + 5MP4%
Higher resolution main camera
vs(quad camera) 64MP + 8MP + 5MP + 2MP
+f/1.8 (aperture)6%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/1.9 (aperture)
+(front) 24MP49%
Higher resolution secondary camera to take pictures and selfies
vs(front) 16MP
+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
vs4K UHD (3840x2160)
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G+ LTE-A
+(5G SA/NSA) 5000 Mbps5 times
Faster for surfing the internet and download files
vs(4G+ LTE-A) 800 Mbps
+6000 mAh20%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs5020 mAh
+802.11 a/b/g/n/ac/ax (2.4Ghz, 5Ghz) Wifi6 + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac/ax (2.4Ghz, 5Ghz) Wifi6 + MIMO is newer and faster
vs802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
+5.1 + A2DP/LEAdvantage
Bluetooth 5.1 + A2DP/LE is newer and faster
vs5.0 + A2DP/LE
+USB 3.1 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C, USB OTG On-The-Go
Not supportedvs+Until 512GB microSD, microSDXCAdvantage
More external storage for files using memory cards
240 grams (8.4 ounces)vs+209 grams (7.32 ounces)15%
Lighter
9.85 millimeters (0.39 inches)vs+8.8 millimeters (0.35 inches)12%
Thinner
1080x2340 pixelsvs+1080x2400 pixels3%
Higher resolution screen
391 PPIvs+395 PPI1%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.59"vs+6.67"1%
Larger screen
Type-C jack with 3.5mm jack adaptervs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general

29 Common items in both devices
128GB (100GB available) / 128GB (106GB available)
LED flash
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
HDR photo on both cameras
1/1.72" inches
+22 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresAsus ROG Phone 3 Strix (128GB/12GB)Xiaomi Redmi Note 9 Pro (128GB)
ModelROG Phone 3 Strix (128GB/12GB)Redmi Note 9 Pro (128GB)
Other model namesAsus ROG Phone 3 ZS661KS Strix edition (12GB RAM)Xiaomi Note 9 Pro (M2003J6B2G Global version) 6GB RAM
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandAsusXiaomi
Release dateJuly, 2020March, 2020
Depth9.85 millimeters (0.39 inches)8.8 millimeters (0.35 inches)
Size (width x height)78 x 171 millimeters (3.07 x 6.73 in)76.68 x 165.75 millimeters (3.02 x 6.53 in)
Weight240 grams (8.4 ounces)209 grams (7.32 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, glass front/backPlastic body, glass front/back
Protection against water and othersNot supportedNot supported
System (OS)Asus ROG Phone 3 Strix (128GB/12GB)Xiaomi Redmi Note 9 Pro (128GB)
Operating systemAndroid 10Android 10
Firmware updatefeature not registeredfeature not registered
HardwareAsus ROG Phone 3 Strix (128GB/12GB)Xiaomi Redmi Note 9 Pro (128GB)
Chipset64bit - Qualcomm Snapdragon 865 SM8250 (7nm)64bit - Qualcomm Snapdragon 720G SM7125 (8nm)
CPU processorOcta-Core, 3 processors:
2.84Ghz Single-Core Kryo 585
2.42Ghz 3-Cores Kryo 585
1.8Ghz Quad-Core Kryo 585
Octa-Core, 2 processors:
2.3Ghz Dual-Core Kryo 465 Gold
1.8Ghz Hexa-Core Kryo 465 Silver
GPU graphical controllerQualcomm Adreno 650Qualcomm Adreno 618
RAM memory12GB LPDDR56GB LPDDR4X
Internal storage128GB (100GB available)
UFS 3.1
128GB (106GB available)
UFS 2.1
External storageNot supportedUntil 512GB microSD, microSDXC
(dedicated slot)
DisplayAsus ROG Phone 3 Strix (128GB/12GB)Xiaomi Redmi Note 9 Pro (128GB)
Display typeAMOLEDTFT IPS LCD
Screen size6.59" inches6.67" inches
Screen-to-body ratio~79.9% (screen-to-body ratio)~84.5% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)1080x2400 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)391 PPI395 PPI
Colors1 billion16 million
Scratch-resistant glassGorilla Glass 6Gorilla Glass 5
Display features144Hz, 650 nits, HDR10+60Hz, 450 nits
Mobile networksAsus ROG Phone 3 Strix (128GB/12GB)Xiaomi Redmi Note 9 Pro (128GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload5000/150 Mbps800/150 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
LTE Cat15/13 (Bands 1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (Bands 38, 40, 41)
VoLTE
Primary 5G networkSA/NSA (41, 77, 78, 79)Not supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
CallingAsus ROG Phone 3 Strix (128GB/12GB)Xiaomi Redmi Note 9 Pro (128GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
CameraAsus ROG Phone 3 Strix (128GB/12GB)Xiaomi Redmi Note 9 Pro (128GB)
Back camera (main camera)(triple camera)
64 megapixels
13MP ultrawidef/2.4125º11mm
5MP macrof/2.0
(quad camera)
64 megapixels
8MP ultrawidef/2.213mm1/4"1.12µm119º
5MP macrof/2.41.12µmAF
2MP depthf/2.4
Main camera resolution10120x6328 pixels10120x6328 pixels
Video recording (primary)8K UHD (7680x4320) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.9 (aperture)
Focal length26mm lens26mm lens
Sensor size1/1.72" inches1/1.72" inches
Pixel size0.8µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
2ª cameraAsus ROG Phone 3 Strix (128GB/12GB)Xiaomi Redmi Note 9 Pro (128GB)
Front camera (secondary)24 megapixels16 megapixels
Front camera resolution5632x4224 pixels4608x3456 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.5 (aperture)
Focal length27mm lensfeature not registered
Sensor sizefeature not registered1/3.06" inches
Pixel size0.9µm pixel1µm pixel
MultimediaAsus ROG Phone 3 Strix (128GB/12GB)Xiaomi Redmi Note 9 Pro (128GB)
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivityAsus ROG Phone 3 Strix (128GB/12GB)Xiaomi Redmi Note 9 Pro (128GB)
USBUSB 3.1 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputUSB Type-C (reversible)Not supported
Audio outputType-C jack with 3.5mm jack adapter3.5mm jack
Bluetooth5.1 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax (2.4Ghz, 5Ghz) Wifi6 + MIMO802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, QZSSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedSupported
Other functionsAsus ROG Phone 3 Strix (128GB/12GB)Xiaomi Redmi Note 9 Pro (128GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Gesture
Hall effect
Face unlock
Fingerprint sensor (under display)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (side-mounted)
Other features- Colors: Black glare
- ROG UI (Republic Of Gamers)
- Always-On display
- DTS:X stereo speakers (2 amplifiers)
- 24-bit/192kHz audio
- AeroActive Cooler 3
- WiFi direct, hotspot
- Colors: Tropical Green, Glacier White, Interstellar Gray
- MIUI 11
- 33W charger (30W phone support)
- WiFi direct, hotspot
Power supplyAsus ROG Phone 3 Strix (128GB/12GB)Xiaomi Redmi Note 9 Pro (128GB)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity6000 mAh5020 mAh
Charger, watts30W Fast battery charging
10W Reverse charging USB between devices
Quick Charge 3/4
USB Power Delivery 3.0
30W Fast battery charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateAsus ROG Phone 3 Strix (128GB/12GB)Xiaomi Redmi Note 9 Pro (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.87W/kg (head) | 0.71W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.66W/kg (head) | 1.02W/kg (body)
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